Grooving insert for machine tools



1.1 is a perspective view of grooving insert for machine tools showing my new design;

1.2 is a front view thereof;

1.3 is a back view thereof;

1.4 is a top view thereof;

1.5 is a bottom view thereof;

1.6 is a left view thereof; and

1.7 is a right view thereof.

The broken lines in the figures depict portions of the grooving insert which form no part of the claimed design. 

CLAIM The ornamental design for grooving insert for machine tools, as shown and described. 